This project is a console-based Restaurant Order and Management System developed using the C++ language. The project was prepared as a term project to practically demonstrate the principles of Object-Oriented Programming (OOP).

The main goal of the application is to model a real-life scenario using the fundamental concepts of OOP (Inheritance, Polymorphism, Encapsulation). The system consists of two main modules: customer and restaurant management.

Users can access the system to:

• List different restaurants,
• Browse menus,
• Create orders and view order history.

Managers can:

• Add new items to the menu,
• Add new employees to the system,
• List employee information.

• Classes: Well-defined classes such as Restaurant, User, Customer, Employee, Manager, MenuItem, Order are present.
• Inheritance:
  • Customer and Employee classes are derived from the User class.
  • Manager and DeliveryPerson classes are derived from the Employee class.
  • FoodItem and DrinkItem classes are derived from the MenuItem abstract class.
• Polymorphism:
  • Thanks to virtual functions like displayInfo() and work(), the correct method of the derived class is called via the base class pointer.
  • The MenuItem pointer array can hold both FoodItem and DrinkItem objects.
• Abstract Classes: Abstract classes like MenuItem and Employee are used to ensure that certain functions (showItem(), work() etc.) are compulsorily implemented by derived classes.
• Encapsulation: Class data members are defined as private or protected, and controlled access to these members is provided only through the public interface (getter/setter methods).

Note: In line with the requirements of this project, STL (Standard Template Library) collections such as std::vector and std::list were not used to understand the basics of memory management. Instead, dynamic arrays and manual memory management (new[], delete[]) were preferred.

You need a C++ compiler (e.g., g++) to compile and run the project.

1. Open your terminal/command prompt and navigate to the project folder (e.g., after cloning from GitHub):

   cd path/to/your/project-folder # Replace with your actual project directory path

2. Compile all .cpp files using the following command:

   g++ -o restaurant_app main.cpp user.cpp customer.cpp employee.cpp manager.cpp delıveryperson.cpp restaurant.cpp order.cpp menuıtem.cpp foodıtem.cpp drınkıtem.cpp

3. After compilation is complete, run the application:

   ./restaurant_app.exe